Author Question: A 2.00 kg mass is attached to a spring with a spring constant of 48.0 N/m. If the maximum speed of ... (Read 13 times)

skymedlock · **on:** Jul 29, 2018

A 2.00 kg mass is attached to a spring with a spring constant of 48.0 N/m. If the maximum speed of the mass in this system is 1.14 m/s, what is the energy of the quanta of energy in this system?

A) 2.23 10-34 J
B) 6.63 J
C) 6.63 10-34 J
D) 5.17 J
E) 5.17 10-34 J

Question 2

A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 30 above the horizontal. What is the horizontal component of its velocity at the highest point of its trajectory?

A) 9.8 m/s
B) 17 m/s
C) 4.9 m/s
D) 8.7 m/s
E) 0 m/s